Academic Journal

2025

• Deep-depth probability-maintained notch enabling nonlinear distortion measurement for various modulation formats
  J. Li, T. Ye, X. Su, Y. Fan, K. Zhang, S. Shi, H. Nakashima, T. Hoshida, Z. Tao, Y. Mori, and H. Hasegawa
  IEEE/Optica Journal of Lightwave Technology, vol. 43, no. 10, pp. 4722-4730, May 2025.
• Three-stage optical circuit switch architectures for intra-datacenter networking
  T. Mitsuya, R. Higuchi, T. Kuno, T. Ochiai, H. Yuasa, Y. Mori, H. Hasegawa
  IEEE/Optica Journal of Lightwave Technology, vol. 43, no. 2, pp. 400-407, January 2025.

International Conference

2025

• Layered multiband network architecture with spatially parallel bypass for selective and cost-efficient SDM deployment
  H. Yuasa, T. Kuno, Y. Mori, S.-C. Lin, M. Matsuura, S. Subramaniam, W. Maeda, S. Yanagimachi, and H. Hasegawa
  European Conference on Optical Communication (ECOC), Copenhagen, Denmark, September 2025.
• A hybrid FXC-WXC network architecture with low-cost pluggable transceivers for metro-scale optical networks
  S. Shimoi, H. Yuasa, T. Sekizuka, T. Kuno, Y. Mori, W. Maeda, S. Yanagimachi, and H. Hasegawa
  European Conference on Optical Communication (ECOC), Copenhagen, Denmark, September 2025.
• Spectrum narrowing mitigation via optoelectrical partial-response spectrum shaping
  T. Sekizuka, R. Higuchi, K. Satake, T. Kuno, Y. Mori, and H. Hasegawa
  OptoElectronics and Communications Conference / International Conference on Photonics in Switching and Computing (OECC/PSC), paper ThB1-2, Sapporo, Japan, June/July 2025. Best Paper Award
• Mixed path-granularity and grouped-path routing networks
  Y. Hirai, T. Kuno, Y. Mori, S.-C. Lin, M. Matsuura, S. Subramaniam, and H. Hasegawa
  OptoElectronics and Communications Conference / International Conference on Photonics in Switching and Computing (OECC/PSC), paper TuF2-3, Sapporo, Japan, June/July 2025.
• Demonstration of multigranular-routing layered network with impairment-aware modulation format selection
  H. Yuasa, T. Kuno, T. Sekizuka, Y. Mori, S.-C. Lin, M. Matsuura, S. Subramaniam, W. Maeda, S. Yanagimachi, and H. Hasegawa
  Optica Optical Fiber Communication Conference (OFC), paper Tu2H.2, San Francisco, USA, March 2025.
• Analytical and numerical hybrid capacity estimation method for multi-band elastic optical network
  S. Shimoi, H. Yuasa, T. Kuno, Y. Mori, S.-C. Lin, M. Matsuura, S. Subramaniam, and H. Hasegawa
  Proc. SPIE 13374, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XIV, 1337409, March 2025.
• EEPN mitigation by local oscillator phase isolation with dual pilot carriers
  T. Sekizuka, T. Kuno, R. Higuchi, R. Shiraki, Y. Mori, and H. Hasegawa
  Proc. SPIE 13374, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XIV, 133740C, March 2025.
• Infinitely scalable modular OXC node architecture with sparse and regular intra-node inter-connection
  A. Wada, T. Kuno, Y. Mori, W. Maeda, S. Yanagimachi, and H. Hasegawa
  Proc. SPIE 13374, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XIV, 133740H, March 2025.

Awards

2025

• Best Paper Award, Opto-Electronics and Communications Conference / Photonics in Switching and Computing (OECC/PSC) 2025
  T. Sekizuka, R. Higuchi, K. Satake, T. Kuno, Y. Mori, H. Hasegawa